i have a vespa grande i put a 65cc polini kit with a 13mm carb and high flow airfilter and i am topping out at 20mph whats wrong? i was going 35 stock.
i have a vespa grande i put a 65cc polini kit with a 13mm carb and high flow airfilter and i am topping out at 20mph whats wrong? i was going 35 stock.
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